public static IWrappedCollection CreateCollectionWrapper(object list)
{
ValidationUtils.ArgumentNotNull(list, "list");
Type collectionDefinition;
if (ReflectionUtils.ImplementsGenericDefinition(list.GetType(), typeof(ICollection <>), out collectionDefinition))
{
Type collectionItemType = ReflectionUtils.GetCollectionItemType(collectionDefinition);
// Activator.CreateInstance throws AmbiguousMatchException. Manually invoke constructor
Func <Type, IList <object>, object> instanceCreator = (t, a) =>
{
ConstructorInfo c = t.GetConstructor(new[] { collectionDefinition });
return(c.Invoke(new[] { list }));
};
return((IWrappedCollection)ReflectionUtils.CreateGeneric(typeof(CollectionWrapper <>), new[] { collectionItemType }, instanceCreator, list));
}
else if (list is IList)
{
return(new CollectionWrapper <object>((IList)list));
}
else
{
throw new ArgumentException("Can not create ListWrapper for type {0}.".FormatWith(CultureInfo.InvariantCulture, list.GetType()), "list");
}
}
public static bool ItemsUnitializedValue <T>(IList <T> list)
{
ValidationUtils.ArgumentNotNull(list, "list");
Type collectionItemType = ReflectionUtils.GetCollectionItemType(list.GetType());
if (!collectionItemType.IsValueType)
{
if (!collectionItemType.IsClass)
{
throw new Exception("Type {0} is neither a ValueType or a Class.".FormatWith(CultureInfo.InvariantCulture, new object[] { collectionItemType }));
}
for (int i = 0; i < list.Count; i++)
{
if (list[i] != null)
{
return(false);
}
}
}
else
{
object obj = ReflectionUtils.CreateUnitializedValue(collectionItemType);
for (int j = 0; j < list.Count; j++)
{
if (!list[j].Equals(obj))
{
return(false);
}
}
}
return(true);
}
public static IWrappedList CreateListWrapper(object list)
{
ValidationUtils.ArgumentNotNull(list, "list");
if (ReflectionUtils.ImplementsGenericDefinition(list.GetType(), typeof(IList <>), out Type listDefinition))
{
Type collectionItemType = ReflectionUtils.GetCollectionItemType(listDefinition);
Func <Type, IList <object>, object> instanceCreator = delegate(Type t, IList <object> a)
{
ConstructorInfo constructor = t.GetConstructor(new Type[1]
{
listDefinition
});
return(constructor.Invoke(new object[1]
{
list
}));
};
return((IWrappedList)ReflectionUtils.CreateGeneric(typeof(ListWrapper <>), new Type[1]
{
collectionItemType
}, instanceCreator, list));
}
if (list is IList)
{
return(new ListWrapper <object>((IList)list));
}
throw new Exception("Can not create ListWrapper for type {0}.".FormatWith(CultureInfo.InvariantCulture, list.GetType()));
}
public static IWrappedCollection CreateCollectionWrapper(object list)
{
ValidationUtils.ArgumentNotNull(list, "list");
Type collectionDefinition;
if (ReflectionUtils.ImplementsGenericDefinition(list.GetType(), typeof(ICollection <>), out collectionDefinition))
{
return((IWrappedCollection)ReflectionUtils.CreateGeneric(typeof(CollectionWrapper <>), (IList <Type>) new Type[1]
{
ReflectionUtils.GetCollectionItemType(collectionDefinition)
}, (Func <Type, IList <object>, object>)((t, a) => t.GetConstructor(new Type[1]
{
collectionDefinition
}).Invoke(new object[1]
{
list
})), new object[1]
{
list
}));
}
else if (list is IList)
{
return((IWrappedCollection) new CollectionWrapper <object>((IList)list));
}
else
{
throw new ArgumentException(StringUtils.FormatWith("Can not create ListWrapper for type {0}.", (IFormatProvider)CultureInfo.InvariantCulture, (object)list.GetType()), "list");
}
}
public static IWrappedList CreateListWrapper(object list)
{
Type type;
ValidationUtils.ArgumentNotNull(list, "list");
if (!ReflectionUtils.ImplementsGenericDefinition(list.GetType(), typeof(IList <>), out type))
{
if (!(list is IList))
{
throw new Exception("Can not create ListWrapper for type {0}.".FormatWith(CultureInfo.InvariantCulture, new object[] { list.GetType() }));
}
return(new ListWrapper <object>((IList)list));
}
Type collectionItemType = ReflectionUtils.GetCollectionItemType(type);
Func <Type, IList <object>, object> func = (Type t, IList <object> a) => t.GetConstructor(new Type[] { type }).Invoke(new object[] { list });
Type type1 = typeof(ListWrapper <>);
Type[] typeArray = new Type[] { collectionItemType };
object[] objArray = new object[] { list };
return((IWrappedList)ReflectionUtils.CreateGeneric(type1, (IList <Type>)typeArray, func, objArray));
}
public static object CreateAndPopulateList(Type listType, Action <IList, bool> populateList)
{
ValidationUtils.ArgumentNotNull(listType, "listType");
ValidationUtils.ArgumentNotNull(populateList, "populateList");
IList list;
Type collectionType;
bool isReadOnlyOrFixedSize = false;
if (listType.IsArray)
{
// have to use an arraylist when creating array
// there is no way to know the size until it is finised
list = new List <object>();
isReadOnlyOrFixedSize = true;
}
else if (ReflectionUtils.InheritsGenericDefinition(listType, typeof(ReadOnlyCollection <>), out collectionType))
{
Type readOnlyCollectionContentsType = collectionType.GetGenericArguments()[0];
Type genericEnumerable = ReflectionUtils.MakeGenericType(typeof(IEnumerable <>), readOnlyCollectionContentsType);
bool suitableConstructor = false;
foreach (ConstructorInfo constructor in listType.GetConstructors())
{
IList <ParameterInfo> parameters = constructor.GetParameters();
if (parameters.Count == 1)
{
if (genericEnumerable.IsAssignableFrom(parameters[0].ParameterType))
{
suitableConstructor = true;
break;
}
}
}
if (!suitableConstructor)
{
throw new Exception("Read-only type {0} does not have a public constructor that takes a type that implements {1}.".FormatWith(CultureInfo.InvariantCulture, listType, genericEnumerable));
}
// can't add or modify a readonly list
// use List<T> and convert once populated
list = CreateGenericList(readOnlyCollectionContentsType);
isReadOnlyOrFixedSize = true;
}
else if (typeof(IList).IsAssignableFrom(listType))
{
if (ReflectionUtils.IsInstantiatableType(listType))
{
list = (IList)Activator.CreateInstance(listType);
}
else if (listType == typeof(IList))
{
list = new List <object>();
}
else
{
list = null;
}
}
else if (ReflectionUtils.ImplementsGenericDefinition(listType, typeof(ICollection <>)))
{
if (ReflectionUtils.IsInstantiatableType(listType))
{
list = CreateCollectionWrapper(Activator.CreateInstance(listType));
}
else
{
list = null;
}
}
else if (listType == typeof(BitArray))
{
// have to use an arraylist when creating array
// there is no way to know the size until it is finised
list = new List <object>();
isReadOnlyOrFixedSize = true;
}
else
{
list = null;
}
if (list == null)
{
throw new Exception("Cannot create and populate list type {0}.".FormatWith(CultureInfo.InvariantCulture, listType));
}
populateList(list, isReadOnlyOrFixedSize);
// create readonly and fixed sized collections using the temporary list
if (isReadOnlyOrFixedSize)
{
if (listType.IsArray)
{
if (listType.GetArrayRank() > 1)
{
list = ToMultidimensionalArray(list, ReflectionUtils.GetCollectionItemType(listType), listType.GetArrayRank());
}
else
{
list = ToArray(((List <object>)list).ToArray(), ReflectionUtils.GetCollectionItemType(listType));
}
}
else if (ReflectionUtils.InheritsGenericDefinition(listType, typeof(ReadOnlyCollection <>)))
{
list = (IList)ReflectionUtils.CreateInstance(listType, list);
}
else if (listType == typeof(BitArray))
{
var newBitArray = new BitArray(list.Count);
for (var i = 0; i < list.Count; i++)
{
newBitArray[i] = (bool)list[i];
}
return(newBitArray);
}
}
else if (list is IWrappedCollection)
{
return(((IWrappedCollection)list).UnderlyingCollection);
}
return(list);
}
public static object CreateAndPopulateList(Type listType, Action <IList, bool> populateList)
{
ValidationUtils.ArgumentNotNull(listType, "listType");
ValidationUtils.ArgumentNotNull(populateList, "populateList");
bool flag = false;
IList list;
Type type;
if (listType.IsArray)
{
list = new List <object>();
flag = true;
}
else if (ReflectionUtils.InheritsGenericDefinition(listType, typeof(ReadOnlyCollection <>), out type))
{
Type type2 = type.GetGenericArguments()[0];
Type type3 = ReflectionUtils.MakeGenericType(typeof(IEnumerable <>), new Type[]
{
type2
});
bool flag2 = false;
foreach (ConstructorInfo constructorInfo in listType.GetConstructors())
{
IList <ParameterInfo> parameters = constructorInfo.GetParameters();
if (parameters.Count == 1 && type3.IsAssignableFrom(parameters[0].ParameterType))
{
flag2 = true;
break;
}
}
if (!flag2)
{
throw new Exception("Read-only type {0} does not have a public constructor that takes a type that implements {1}.".FormatWith(CultureInfo.InvariantCulture, new object[]
{
listType,
type3
}));
}
list = CollectionUtils.CreateGenericList(type2);
flag = true;
}
else if (typeof(IList).IsAssignableFrom(listType))
{
if (ReflectionUtils.IsInstantiatableType(listType))
{
list = (IList)Activator.CreateInstance(listType);
}
else if (listType == typeof(IList))
{
list = new List <object>();
}
else
{
list = null;
}
}
else if (ReflectionUtils.ImplementsGenericDefinition(listType, typeof(ICollection <>)))
{
if (ReflectionUtils.IsInstantiatableType(listType))
{
list = CollectionUtils.CreateCollectionWrapper(Activator.CreateInstance(listType));
}
else
{
list = null;
}
}
else if (listType == typeof(BitArray))
{
list = new List <object>();
flag = true;
}
else
{
list = null;
}
if (list == null)
{
throw new Exception("Cannot create and populate list type {0}.".FormatWith(CultureInfo.InvariantCulture, new object[]
{
listType
}));
}
populateList(list, flag);
if (flag)
{
if (listType.IsArray)
{
if (listType.GetArrayRank() > 1)
{
list = CollectionUtils.ToMultidimensionalArray(list, ReflectionUtils.GetCollectionItemType(listType), listType.GetArrayRank());
}
else
{
list = CollectionUtils.ToArray(((List <object>)list).ToArray(), ReflectionUtils.GetCollectionItemType(listType));
}
}
else if (ReflectionUtils.InheritsGenericDefinition(listType, typeof(ReadOnlyCollection <>)))
{
list = (IList)ReflectionUtils.CreateInstance(listType, new object[]
{
list
});
}
else if (listType == typeof(BitArray))
{
BitArray bitArray = new BitArray(list.Count);
for (int j = 0; j < list.Count; j++)
{
bitArray[j] = (bool)list[j];
}
return(bitArray);
}
}
else if (list is IWrappedCollection)
{
return(((IWrappedCollection)list).UnderlyingCollection);
}
return(list);
}
public static object CreateAndPopulateList(Type listType, Action <IList, bool> populateList)
{
IList objs;
Type type;
ValidationUtils.ArgumentNotNull(listType, "listType");
ValidationUtils.ArgumentNotNull(populateList, "populateList");
bool flag = false;
if (listType.IsArray)
{
objs = new List <object>();
flag = true;
}
else if (ReflectionUtils.InheritsGenericDefinition(listType, typeof(ReadOnlyCollection <>), out type))
{
Type genericArguments = type.GetGenericArguments()[0];
Type type1 = ReflectionUtils.MakeGenericType(typeof(IEnumerable <>), new Type[] { genericArguments });
bool flag1 = false;
ConstructorInfo[] constructors = listType.GetConstructors();
int num = 0;
while (num < (int)constructors.Length)
{
IList <ParameterInfo> parameters = constructors[num].GetParameters();
if (parameters.Count != 1 || !type1.IsAssignableFrom(parameters[0].ParameterType))
{
num++;
}
else
{
flag1 = true;
break;
}
}
if (!flag1)
{
throw new Exception("Read-only type {0} does not have a public constructor that takes a type that implements {1}.".FormatWith(CultureInfo.InvariantCulture, new object[] { listType, type1 }));
}
objs = CollectionUtils.CreateGenericList(genericArguments);
flag = true;
}
else if (typeof(IList).IsAssignableFrom(listType))
{
if (ReflectionUtils.IsInstantiatableType(listType))
{
objs = (IList)Activator.CreateInstance(listType);
}
else if (listType != typeof(IList))
{
objs = null;
}
else
{
objs = new List <object>();
}
}
else if (ReflectionUtils.ImplementsGenericDefinition(listType, typeof(ICollection <>)))
{
if (!ReflectionUtils.IsInstantiatableType(listType))
{
objs = null;
}
else
{
objs = CollectionUtils.CreateCollectionWrapper(Activator.CreateInstance(listType));
}
}
else if (listType != typeof(BitArray))
{
objs = null;
}
else
{
objs = new List <object>();
flag = true;
}
if (objs == null)
{
throw new Exception("Cannot create and populate list type {0}.".FormatWith(CultureInfo.InvariantCulture, new object[] { listType }));
}
populateList(objs, flag);
if (!flag)
{
if (objs is IWrappedCollection)
{
return(((IWrappedCollection)objs).UnderlyingCollection);
}
}
else if (listType.IsArray)
{
objs = (listType.GetArrayRank() <= 1 ? CollectionUtils.ToArray(((List <object>)objs).ToArray(), ReflectionUtils.GetCollectionItemType(listType)) : CollectionUtils.ToMultidimensionalArray(objs, ReflectionUtils.GetCollectionItemType(listType), listType.GetArrayRank()));
}
else if (ReflectionUtils.InheritsGenericDefinition(listType, typeof(ReadOnlyCollection <>)))
{
objs = (IList)ReflectionUtils.CreateInstance(listType, new object[] { objs });
}
else if (listType == typeof(BitArray))
{
BitArray bitArrays = new BitArray(objs.Count);
for (int i = 0; i < objs.Count; i++)
{
bitArrays[i] = (bool)objs[i];
}
return(bitArrays);
}
return(objs);
}
public static object CreateAndPopulateList(Type listType, Action <IList, bool> populateList)
{
ValidationUtils.ArgumentNotNull(listType, "listType");
ValidationUtils.ArgumentNotNull(populateList, "populateList");
bool flag = false;
IList list;
Type implementingType;
if (listType.IsArray)
{
list = new List <object>();
flag = true;
}
else if (!ReflectionUtils.InheritsGenericDefinition(listType, typeof(ReadOnlyCollection <>), out implementingType))
{
list = (typeof(IList).IsAssignableFrom(listType) ? (ReflectionUtils.IsInstantiatableType(listType) ? ((IList)Activator.CreateInstance(listType)) : ((listType != typeof(IList)) ? null : new List <object>())) : ((!ReflectionUtils.ImplementsGenericDefinition(listType, typeof(ICollection <>))) ? null : ((!ReflectionUtils.IsInstantiatableType(listType)) ? null : CreateCollectionWrapper(Activator.CreateInstance(listType)))));
}
else
{
Type type = implementingType.GetGenericArguments()[0];
Type type2 = ReflectionUtils.MakeGenericType(typeof(IEnumerable <>), type);
bool flag2 = false;
ConstructorInfo[] constructors = listType.GetConstructors();
foreach (ConstructorInfo constructorInfo in constructors)
{
IList <ParameterInfo> parameters = constructorInfo.GetParameters();
if (parameters.Count == 1 && type2.IsAssignableFrom(parameters[0].ParameterType))
{
flag2 = true;
break;
}
}
if (!flag2)
{
throw new Exception("Read-only type {0} does not have a public constructor that takes a type that implements {1}.".FormatWith(CultureInfo.InvariantCulture, listType, type2));
}
list = CreateGenericList(type);
flag = true;
}
if (list == null)
{
throw new Exception("Cannot create and populate list type {0}.".FormatWith(CultureInfo.InvariantCulture, listType));
}
populateList(list, flag);
if (flag)
{
if (listType.IsArray)
{
list = ToArray(((List <object>)list).ToArray(), ReflectionUtils.GetCollectionItemType(listType));
}
else if (ReflectionUtils.InheritsGenericDefinition(listType, typeof(ReadOnlyCollection <>)))
{
list = (IList)ReflectionUtils.CreateInstance(listType, list);
}
}
else if (list is IWrappedCollection)
{
return(((IWrappedCollection)list).UnderlyingCollection);
}
return(list);
}